I have a very straight forward pf config doing NAT for the internal network. Works great with the 30+ WinXP, Win2000 and Linux machines, but recently someone added a Vista machine and it simply doesn't work. Very slow, lots of disconnects, etc. The Vista machine can access internal network resources without issue which seems to indicate this is not a hardware issue.

Below is my pf.conf file .. I did a search and found one thread on the mailing lists with similar issues but it didn't seem to resolve the problem (I can't seem to locate the thread this morning). Thanks for any advise (beyond getting rid of Vista.